WO2015143244A1 - Procédé et appareil pour une acquisition de bloc d'informations de système (sib) pour des unités de transmission/réception sans fil (wtru) dans des modes à couverture améliorée (ce) et non à couverture améliorée - Google Patents
Procédé et appareil pour une acquisition de bloc d'informations de système (sib) pour des unités de transmission/réception sans fil (wtru) dans des modes à couverture améliorée (ce) et non à couverture améliorée Download PDFInfo
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- WO2015143244A1 WO2015143244A1 PCT/US2015/021606 US2015021606W WO2015143244A1 WO 2015143244 A1 WO2015143244 A1 WO 2015143244A1 US 2015021606 W US2015021606 W US 2015021606W WO 2015143244 A1 WO2015143244 A1 WO 2015143244A1
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- wtru
- sib
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/005—Transmission of information for alerting of incoming communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/11—Allocation or use of connection identifiers
Definitions
- LTE-A wireless transmit/receive units
- WTRUs wireless transmit/receive units
- Such a WTRU may be delay-tolerant, have reduced capabilities, or operate with limited service when located in a coverage limited area.
- An example of such a WTRU is a low-cost or low- complexity machine type communication (LC-MTC) WTRU, such as a smart meter or sensor, which may be located, for example, in the basement of a house where very high penetration loss is expected.
- LC-MTC low-cost or low- complexity machine type communication
- FIG. 1A is a system diagram of an example communications system in which one or more disclosed embodiments may be implemented;
- FIG. 3 is a diagram of an example of a system including WTRUs acquiring system information blocks (SIBs) in non-CE and coverage enhanced (CE) mode;
- SIBs system information blocks
- CE coverage enhanced
- FIG. 6 is a diagram of example transmissions that include a number of bits that may change meaning according to a time or time period.
- FIG. 1A shows an example communications system 100 in which one or more disclosed embodiments may be implemented.
- the communications system 100 may be a multiple access system that provides content, such as voice, data, video, messaging, broadcast, and the like, to multiple wireless users or MTC devices.
- the communications system 100 may enable multiple wireless users to access such content through the sharing of system resources, including wireless bandwidth.
- the communications systems 100 may employ one or more channel access methods, such as code division multiple access (CDMA), time division multiple access (TDMA), frequency division multiple access (FDMA), orthogonal FDMA (OFDMA), single-carrier FDMA (SC-FDMA), and the like.
- CDMA code division multiple access
- TDMA time division multiple access
- FDMA frequency division multiple access
- OFDMA orthogonal FDMA
- SC-FDMA single-carrier FDMA
- the WTRUs 102a, 102b, 102c, 102d may be configured to transmit and/or receive wireless signals and may include user equipment (UE), a mobile station, a fixed or mobile subscriber unit, a pager, a cellular telephone, a personal digital assistant (PDA), a smartphone, a laptop, a netbook, a personal computer, a wireless sensor, consumer electronics, MTC devices and the like.
- UE user equipment
- PDA personal digital assistant
- smartphone a laptop
- netbook a personal computer
- a wireless sensor consumer electronics
- MTC devices and the like.
- the base station 114a may be part of the RAN 104, which may also include other base stations and/or network elements (not shown), such as a base station controller (BSC), a radio network controller (RNC), relay nodes, and the like.
- the base station 114a and/or the base station 114b may be configured to transmit and/or receive wireless signals within a particular geographic region, which may be referred to as a cell (not shown).
- the cell may further be divided into sectors, e.g., cell sectors.
- the cell associated with the base station 114a may be divided into three sectors.
- the base station 114a may include three transceivers, e.g., one for each sector of the cell.
- the base station 114a may employ multiple -input multiple -output (MIMO) technology and, therefore, may utilize multiple transceivers for each sector of the cell.
- MIMO multiple -input multiple -output
- the base station 114a and the WTRUs are identical to the base station 114a and the WTRUs.
- E- UTRA evolved UTRA
- LTE long term evolution
- LTE-A LTE-advanced
- the base station 114b in Figure 1A may be a wireless router
- the transmit/receive element 122 may be configured to transmit signals to, or receive signals from, a base station (e.g., the base station 114a) over the air interface 116.
- a base station e.g., the base station 114a
- the transmit/receive element 122 may be an antenna configured to transmit and/or receive RF signals.
- the transmit/receive element 122 may be an emitter/detector configured to transmit and/or receive IR, UV, or visible light signals, for example.
- the transmit/receive element 122 may be configured to transmit and receive both RF and light signals.
- the transmit/receive element 122 may be configured to transmit and/or receive any combination of wireless signals.
- SI messages containing one or more SIBs may be carried via the
- a subset of potential MBSFN subframes may be used for CE-SI message transmission.
- a subset of subframes such as ⁇ 1, 2 ⁇ may be used for CE-SI message transmission.
- a WTRU may receive the PDSCH using a demodulation reference signal (DM-RS) (e.g., antenna port 7).
- DM-RS demodulation reference signal
- the DM-RS may be scrambled with the cell-ID detected from the synchronization channel.
- the same CE-SI message may be repeated multiple times within the repetition window, and the CE-SI message may not change within a repetition window.
- a WTRU may use, combine or correlate multiple repetitions of a CE-SI message, for example, within a CE repetition window or within an SI window, to read, decode or successfully read or decode the CE-SI message.
- the duration of the CE repetition period may be pre-configured in the WTRU or provided to the WTRU by higher layers (e.g., along with the PLMN configuration before cell selection is triggered).
- the WTRU may determine the duration of the CE repetition period by acquiring the scheduling information using pre-defined resources, for example, in the previous repetition period.
- CE-SI messages may be scheduled using one or more of dynamic, semi- static, or predefined scheduling.
- the time/frequency resources may be a set of PRBs in one or more subframes.
- the set of PRBs may be located in a fixed location that may be common for all system bandwidths. For example, the center six PRBs may be used for CE-SI messages.
- the set of PRBs may be located in or only in certain subframes, such as the subframes ⁇ 4, 9 ⁇ that do not contain PBCH repetitions.
- the number of PRBs for CE-SI message transmission may be indicated in the MIB, may be determined as a function of system bandwidth, and/or may be determined as a function of system parameters in the MIB.
- the modulation order for the PDSCH containing the CE-SI message may be fixed as QPSK.
- the certain CE-SI message may be transmitted via a PDSCH in a known or determined time and frequency location and the certain CE-SI message may include the time and frequency location of other CE-SI messages.
- the certain CE-SI message may be the CE-SI message including SIB-1, or the certain CE-SI message may be the first CE-SI message if two or more CE-SI messages are used.
- the time and frequency location for the certain CE-SI message may be predefined such as a center 6 PRBs in subframe 5 in an odd-numbered SFN.
- the time and frequency location for the certain CE- SI message may be determined as a function of the system parameters acquired from a previous system information (e.g. MIB or CE-MIB).
- the PDSCH carrying a certain CE-SI message may be transmitted in a known time location (e.g. subframe and/or radio frame), and the other scheduling information may be indicated from the MIB (or CE-MIB).
- a set of frequency locations of the PDSCH and the TBS size may be indicated from the MIB (or CE-MIB), where the set of frequency locations and TBS size may be a subset of all possible candidates.
- a set of frequency locations of the PDSCH may be determined as a function of one or more system parameters including physical cell-ID and system BW, and the frequency location within the set may be explicitly indicated from the MIB (or CE-MIB), where the set of frequency locations may be a subset of all possible candidates.
- a set of TBS sizes may be determined as a function of one or more of system parameters, and the TBS size within the set may be explicitly indicated from the MIB (or CE-MIB), where the set of TBS size may be a subset of all possible candidates.
- a means for SI update detection without paging may be provided and/or used.
- a WTRU may determine whether certain SIBs (e.g., SIBs associated with a value tag) have been updated based on whether the value tag is different from the value tag the WTRU has stored, for example, from a previous reading of the value tag.
- the value tag may be obtained from reading a certain SIB, such as SIB1.
- An eNB that supports CE WTRUs may transmit a SIB, such as a SIB
- the WTRU may acquire the DCI format, which may be scrambled with a certain RNTI, such as an SI-RNTI, to obtain the DCI format that may provide the scheduling information (e.g., resource allocation, MCS level, etc.) for the PDSCH that may carry the desired SIB.
- the WTRU may combine multiple acquisitions of the DCI format to successfully decode it.
- a WTRU may acquire the PDSCH that may carry the SIB that may include the value tag.
- the WTRU may receive the PDSCH that may carry the SIB.
- the WTRU may combine multiple acquisitions of the PDSCH to successfully read the contents of the SIB.
- a DCI format may be used to page and/or otherwise indicate one or more SIB updates intended for one or more WTRUs, where the DCI format may be transmitted without an associated PDSCH.
- the DCI format may not contain DL- grant-related-information, and the DCI format may be smaller than the typical DCI format that may be used for paging and that may be associated with a PDSCH.
- the DCI format may be intended for use by, or may be used by, WTRUs in connected mode and/or idle mode.
- RNTI may be different from the P-RNTI that may be used for paging non-CE WTRUs (e.g., Pshort-RNTI).
- Pshort-RNTI paging non-CE WTRUs
- Another RNTI or mechanism for scrambling the DCI format may be used and still be consistent with the embodiments described herein.
- a WTRU When a WTRU receives and/or decodes a DCI format, for example one scrambled with Pshort-RNTI, that contains an SI modification indication with a value indicating that the modification has or will occur (e.g., the value TRUE or the value has changed), the WTRU may acquire or reacquire one or more SIBs that may be associated with the indication or value tag (e.g., at or after the start of the next modification period). The WTRU may acquire and/or read the SIB that contains the relevant SIB scheduling information (e.g., SIB1 or a CE SIB that contains SIB scheduling information) first, for example, to ensure that it has up to date scheduling information, before attempting to acquire other SIBs.
- SIB scheduling information e.g., SIB1 or a CE SIB that contains SIB scheduling information
- SIBs-Indication may indicate whether one or more SIBs that may be associated with the ETWS (e.g., SIB10 and/or SIB11) may have changed.
- This indication may have at least the values of TRUE or FALSE.
- the indication may be a value similar to a value tag, which may indicate a value or state such that a changed value or state indicates one or more of the associated SIBs may have changed.
- cmas-Indication-r9 which may indicate whether one or more SIBs that may be associated with the CMAS (e.g., SIB12) may have changed.
- This indication may have at least the values of TRUE and/or FALSE.
- the indication may be a value similar to a value tag, which may indicate a value or state such that a changed value or state indicates one or more of the associated SIBs may have changed.
- Reception and/or decoding of a DCI format may include combining (e.g., soft combining) repetitions of the DCI format.
- certain WTRUs such as coverage-enhanced-WTRUs, may receive repetitions of a DCI format and may combine them together in order to successfully decode the DCI format and/or obtain its contents.
- the transmission of the DCI format may be according to the same (or similar) schedule and/or rules as non-CE paging or may be according to a different schedule and/or rules.
- the schedule and/or rules may be different depending on the type of SIB change that may be indicated.
- the schedule and/or rules for indicating a SIB update for at least one of ETWS, CMAS, and EAB may be the same as (or similar to) the schedule and/or rules for non-CE paging.
- the schedule and/or rules for indicating value-tag-related- SIB-updates may be different from the schedule and/or rules for non-CE paging.
- DRX discontinuous reception
- paging occasions for at least the first transmission of the DCI format, for example when the DCI format may be repeated for coverage enhancement.
- the DCI format may be transmitted by the eNB and/or received by the WTRU in the PDCCH or EPDCCH.
- a DCI format may be used or transmitted
- the WTRU may acquire the associated PDSCH (which may include combining repetitions of the PDSCH), for example, to obtain the updated SIB information.
- the DCI format may include one or more indications as to what type of SIB information has or will change, as described for the SIB update DCI format without an associated PDSCH.
- One or more indications as to what type of SIB information has or will change may be included in the associated PDSCH.
- the type of SIB information that may be indicated may include one or more of CE-SIB information, value-tag- related-SIB-information, ETWS-related-SIB- information, CMAS-related-SIB- information, and EAB-related-SIB- information.
- a separate indication may be provided for one or more types (e.g., each type) of SIB information that may indicate whether there are or will be changes to that type of information.
- Whether to acquire the updated SIB information from the associated PDSCH may be specific to the type of SIB information. For example, inclusion of an indication in the DCI format that indicates whether to acquire the updated SIB information from the associated PDSCH may be specific to the type of SIB information.
- Certain updated SIB information for example updated critical information such as updated ETWS and/or CMAS information, may be (or may always be) included in the PDSCH associated with the DCI format.
- An indication as to whether to acquire the updated SIB information from the PDSCH associated with the DCI format or from the SIBs themselves may not be included for SIB information or types of SIB information that may always be included in the PDSCH associated with the DCI format and/or which may not (or may never) be included in the PDSCH associated with the DCI format.
- a cell may transmit a PBCH or MIB or make another transmission that may be repeated.
- a WTRU may receive the PBCH, the MIB, or the other transmission.
- the transmission of the MIB, or the other transmission may use, consist of, be comprised of or include a number of bits such as N bits.
- Some of the N bits, for example, M bits, may be used by or may be intended for use by at least certain WTRUs such as non-CE WTRUs (e.g., WTRUs of a certain release and/or earlier such as LTE release 12 and/or earlier).
- N bits may be or may only be used by or may be or may only be intended for use by certain WTRUs such as, for example, WTRUs that may or may not have a certain capability or functionality, for example, WTRUs that may operate in a reduced bandwidth with respect to a bandwidth of a cell, WTRUs that may support or operate in CE mode or use CE mechanisms, such as repetition, and WTRUs that may support or use EPDCCH common search space, among others.
- P may be or may need to be a subset of S. Since the spare bits may be limited, it may be desirable to use as few as possible of those bits to support a new or certain function or capability.
- M and P may be integers greater than or equal to zero.
- some bits such as the M bits of the PBCH, may have the same meaning at all times, for example to support non-CE WTRUs, while one or more other bits, such as one or more of the P bits of the PBCH, may have a different meaning at different times, for example to limit the use of spare bits.
- the meaning may be a function of at least time, such as the time of the transmission.
- a cell may transmit some bits of the PBCH with the same meaning at all times and one or more other bits of the PBCH with a different meaning at different times where the difference in meaning may be at least a function of the time of the transmission such as the SFN, subframe and/or timeslot of the transmission.
- a WTRU may receive some bits of the PBCH from a cell and interpret the meaning of the bits the same way at all times.
- the WTRU may receive one or more other bits of the PBCH from the cell and may interpret the meaning of the bits differently, where the difference in interpretation may be a function of at least the time of the transmission or reception, such as the SFN, subframe, and/or timeslot of the transmission or reception.
- Bits changing their meaning may be or include contents changing.
- Contents changing may be or include bits changing their meaning.
- Contents may include one or more parameters.
- the terminology contents, parameters, and bits may be used interchangeably herein.
- a WTRU may receive one or more bits in the PBCH from the cell and may interpret or may understand to interpret the meaning of the bits (or at least some of the content of the PBCH) differently at least as a function of time based on the WTRU's and/or the cell's support of certain capabilities, functionality, or features, such as reduced bandwidth, coverage enhancement, or EPDCCH common search space.
- the WTRU may determine the cell's support for certain capabilities, functionality, or features from one or more bits (or content) in the PBCH, which may not change its (or their) meaning as a function of time and/or other transmissions received from the cell.
- a number for example PI, bits may have m meanings, which may depend on time.
- the bits may cycle through their meanings every k x TP1 and repeat a meaning every m x k x TP1.
- the PI bits may cycle through each of their 4 meanings every 40 ms (e.g., and stay the same for 40 ms) and have the same meaning every 160 ms.
- the contents of (e.g., parameters included in) the PBCH may change as a function of time.
- the contents of the PBCH which may change as a function of time, may change on TP1 boundaries.
- there may be 2 sets of contents and the set transmitted may alternate every k x TP1 and may stay constant until the next k x TP1, where k is an integer which may be greater than 0.
- one or more bits may have meaning in some transmission periods (e.g., PBCH transmission periods), but not in others.
- the bits may be unused, set to zero or reserved for future use.
- a set of bits may be transmitted in every other transmission period, such as in even transmission periods, and may alternate meanings in every other transmission.
- the bits may be transmitted and may alternate their meaning in even multiples of 40 ms. In the odd multiples of 40 ms, the bits may be unused, zero, or reserved for future use. The use and meaning of the bits may not change for transmissions within a transmission period.
- PBCH and MIB may be used interchangeably herein and are used for exemplary purposes. Another transmission of another type may be substituted for PBCH or MIB and still be consistent with the embodiments described herein.
- cell and eNB may also be used interchangeably herein.
- PBCH may indicate values of certain parameters, which may identify a functionality or capability of the cell and/or may be used or needed by a WTRU to receive another transmission from the cell, such as a CE-SIB (e.g., CE- SIB1), MTC-SIB (e.g., MTC-SIB1), or EPDCCH common search space (CSS).
- CE-SIB e.g., CE- SIB1
- MTC-SIB e.g., MTC-SIB1
- EPDCCH common search space SSS
- One or more PBCH bits may have different meaning at different times, where the different meanings may be different parameters of the cell or of the other transmission.
- a cell may transmit one or more PBCH bits with different meanings at different times to convey parameters for the cell and/or another transmission.
- a WTRU may receive the PBCH bits with different meanings at different times to obtain the parameters for the cell and/or other transmission.
- the WTRU may use one or
- WTRU reception of the PBCH may be performed prior to determining a TDD UL/DL configuration of the cell. If the time location indicates a subframe for a DL transmission that may not be DL in all TDD UL/DL configurations, the WTRU may understand that the indicated subframe is a DL subframe in the cell.
- the frequency location may identify the set of PRBs that may be used for the transmission.
- the number of PRBs may be identified. For a number of PRBs less than or equal to 6, 3 bits may be used. For a selection from a limited number of options (e.g., 2, 4, or 6 PRBs), fewer bits may be used.
- the starting PRB may or may also be identified.
- a WTRU may determine the value of the SFN from bits in the
- PBCH which may not change their meaning.
- One or more bits may be included in the PBCH to increase the window of time during which frames may be counted and during which signals may be repeated and/or modified.
- SFN combined with the added bit or bits may be referred to as a long SFN or LSFN.
- LSFN may replace SFN in the embodiments herein and still be consistent with this invention.
- a WTRU may use the value of SFN or LSFN to determine the meaning of the PBCH bits in a subframe.
- the bits that may be transmitted by a cell in the PBCH may indicate part (e.g., a segment) of a parameter or set of parameters, which may identify one or more functionalities or capabilities of the cell and/or may be used or needed by a WTRU to receive another transmission from the cell, such as a CE-SIB (e.g., CE-SIB1), MTC-SIB (e.g., MTC-SIB1), or EPDCCH common search space (CSS).
- One or more PBCH bits may have different meaning at different times, where the different meanings may be different parts (e.g., segments) of a parameter or set of parameters of the cell or of the other transmission.
- a cell may transmit one or more PBCH bits with different meanings at different times to convey different parts of a parameter or set of parameters of the cell or of the other transmission.
- a WTRU may receive the PBCH bits with different meanings at different times to obtain the different parts of a parameter or set of parameters of the cell for the cell and/or other transmission.
- the WTRU may combine (e.g., reassemble or concatenate) the parts of the parameter or set of parameters to determine the value of the parameter or set of parameters.
- the WTRU may use one or more of these parameters to at least one of monitor, receive, successfully receive, and/or decode the other transmission.
- the WTRU may use one or more of these parameters to determine a functionality or capability of the cell.
- the terminology part and segment may be used interchangeably herein.
- the 20 bits may be transmitted as 5 bits in each of 4 PBCH transmissions, for example in each of 4 consecutive PBCH transmission periods.
- N may equal CEIL[T/SB].
- one or more PBCH transmissions may not include segment bits or may include padding (e.g., zeroes) instead of segment bits.
- T is not a multiple of SB, at least one segment may include one or more padding bits.
- the 20 bits may be transmitted as 3 bits in each of 8 PBCH transmissions, where 6 of the transmission may include 3 parameter bits, 1 transmission may include 2 parameter bits and 1 transmission may include no parameter bits. Padding or zeroes may be used when no parameter bits are transmitted.
- a WTRU may, for example based on SFN, understand which segment bits it may receive.
- a WTRU may wait until it receives enough (e.g., all) of the segment bits to determine a value of a parameter or values of a set of parameters.
- How bits may be segmented and when the segments may be transmitted may be predefined, preconfigured, and/or known or determined by the WTRU and/or the cell.
- a method for a wireless transmit/receive unit (WTRU) receiving system information comprising determining whether the WTRU is in a coverage enhancement (CE) mode or a non-CE mode.
- CE coverage enhancement
- SIB includes one or a subset of non-CE SIBs. [0225] 12. The method of any one of embodiments 2-11, wherein the CE-
- SIB is repeatedly made available to be received by the WTRU within a modification window.
- a wireless transmit/receive unit comprising a processor configured to determine whether the WTRU is in a coverage enhancement (CE) mode or a non-CE mode.
- CE coverage enhancement
- the processor is further configured to determine the known location as a function of at least one of physical cell-ID, downlink system bandwidth, and number of cell specific reference signal (CRS) ports.
- CRS cell specific reference signal
- CE-SIB includes one or a subset of non-CE SIBs.
- the WTRU of any one of embodiments 14-23 further comprising an antenna, communicatively connected to the receiver, configured to receive and transmit radio frequency (RF) transmissions.
- RF radio frequency
- PDSCHs physical downlink shared channels
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Abstract
Priority Applications (15)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020217032369A KR102365313B1 (ko) | 2014-03-19 | 2015-03-19 | 비-커버리지 확장(ce) 및 커버리지 확장 모드에서 무선 송수신 장치(wtru)에 대한 시스템 정보 블록(sib) 획득을 위한 방법 및 장치 |
AU2015231128A AU2015231128A1 (en) | 2014-03-19 | 2015-03-19 | Method and apparatus for system information block (SIB) acquisition for wireless transmit/receive units (WTRUS) in non-CE and coverage enhanced (CE) modes |
MX2016011960A MX368480B (es) | 2014-03-19 | 2015-03-19 | Método y aparato para una adquisición de bloque de información de sistema (sib) para unidades de transmisión/recepción inalámbricas (wtrus) en modos de cobertura mejorada (ce) y sin ce. |
CN201911293947.5A CN111510992B (zh) | 2014-03-19 | 2015-03-19 | 无线发射/接收单元的***信息块获取方法和装置 |
EP24152390.1A EP4333506A3 (fr) | 2014-03-19 | 2015-03-19 | Procédé et appareil d'acquisition de bloc d'informations système (sib) pour unités d'émission/réception sans fil (wtru) dans des modes sans ce et à couverture améliorée (ce) |
US15/126,802 US10555244B2 (en) | 2014-03-19 | 2015-03-19 | Method and apparatus for system information block (SIB) acquisition for wireless transmit/receive units (WTRUs) in non-CE and coverage enhanced (CE) modes |
KR1020167028936A KR102312949B1 (ko) | 2014-03-19 | 2015-03-19 | 비-커버리지 확장(ce) 및 커버리지 확장 모드에서 무선 송수신 장치(wtru)에 대한 시스템 정보 블록(sib) 획득을 위한 방법 및 장치 |
CN201580026140.9A CN106465144B (zh) | 2014-03-19 | 2015-03-19 | 用于覆盖增强(ce)和非ce模式的无线发射/接收单元(wtru)的***信息块(sib)获取方法和装置 |
CN201911295157.0A CN111510993B (zh) | 2014-03-19 | 2015-03-19 | 无线发射/接收单元的***信息块获取方法和装置 |
EP15725133.1A EP3120595B1 (fr) | 2014-03-19 | 2015-03-19 | Procédé et appareil pour une acquisition de bloc d'informations de système (sib) pour des unités de transmission/réception sans fil (wtru) dans des modes à couverture améliorée (ce) et non à couverture améliorée |
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US18/231,671 US20230388903A1 (en) | 2014-03-19 | 2023-08-08 | Method and apparatus for system information block (sib) acquisition for wireless transmit/receive units (wtrus) in non-ce and coverage enhanced (ce) modes |
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- 2015-03-19 AU AU2015231128A patent/AU2015231128A1/en not_active Abandoned
- 2015-03-19 EP EP15725133.1A patent/EP3120595B1/fr active Active
- 2015-03-19 CN CN201911295157.0A patent/CN111510993B/zh active Active
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MX368480B (es) | 2019-10-04 |
US10555244B2 (en) | 2020-02-04 |
US20210204197A1 (en) | 2021-07-01 |
US10986564B2 (en) | 2021-04-20 |
AU2015231128A1 (en) | 2016-10-06 |
JP2017510224A (ja) | 2017-04-06 |
CN111510992A (zh) | 2020-08-07 |
EP3783941A1 (fr) | 2021-02-24 |
EP3120595A1 (fr) | 2017-01-25 |
US11770759B2 (en) | 2023-09-26 |
KR102365313B1 (ko) | 2022-02-23 |
US20200137669A1 (en) | 2020-04-30 |
JP6293354B2 (ja) | 2018-03-14 |
MX2016011960A (es) | 2017-05-04 |
US20170105166A1 (en) | 2017-04-13 |
CN111510993B (zh) | 2023-04-07 |
EP3783941B1 (fr) | 2024-02-21 |
EP3120595B1 (fr) | 2020-12-02 |
KR20160138469A (ko) | 2016-12-05 |
EP4333506A2 (fr) | 2024-03-06 |
KR20210125121A (ko) | 2021-10-15 |
CN106465144A (zh) | 2017-02-22 |
US20230388903A1 (en) | 2023-11-30 |
CN111510993A (zh) | 2020-08-07 |
CN106465144B (zh) | 2020-01-07 |
KR102312949B1 (ko) | 2021-10-18 |
EP4333506A3 (fr) | 2024-05-29 |
CN111510992B (zh) | 2022-12-16 |
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